/**
 * #      1733
 * 名称   需要教语言的最少人数
 * 链接   https://leetcode-cn.com/problems/minimum-number-of-people-to-teach
 * 题解   [45](https://leetcode-cn.com/problems/minimum-number-of-people-to-teach/solution)
 * 通过率 43.7%
 * 难道   中等
 */

